Parse JSON and convert object back to JSON

Question

I want to parse a nested JSON structure in Groovy. I would like to parse a sub element structure and then return the string in JSON format.

The Nested JSON structure:

{
    "username": "test",
    "token": "test1",
    "url": "http://www.abc.to",
    "testsession":
    {
        "serverName": "0.0.0.0",
        "serverPort": 22,
        "remoteUsername": "admin",
        "remotePassword": "admin"
    },
    "deviceapp":
    {
        "repo": "abc-mvn-a-test-local",
        "path": "com/test\/test2\/test3\/mob",
        "platform": "ANDROID"
    }
}

my code below using JSONSlurper isn't quite giving me what i want:

def slurper = new JsonSlurper().parseText(json)
String deviceAppParsed = slurper.deviceapp
println "deviceAppParsed " + deviceAppParsed
// returns deviceAppParsed {repo=oxp-mvn-a-rel-local, path=com/nagra/opentv/experience/mob, platform=ANDROID}
def jsonDeviceApp = JsonOutput.toJson(deviceAppParsed)
println "IS IT JSON? " + jsonDeviceApp
// returns IS IT JSON "{repo=oxp-mvn-a-rel-local, path=com/nagra/opentv/experience/mob, platform=ANDROID}"

How can i parse the json to retrieve the nested deviceapp structure in raw JSON? Thanks.

: def slurper = new JsonSlurper().parseText(json) String deviceAppParsed = slurper.deviceapp def jsonDeviceApp = JsonOutput.toJson(deviceAppParsed)

I expected println jsonDeviceApp to return:

{"repo": "abc-mvn-a-test-local","path": "com/test\/test2\/test3\/mob","platform": "ANDROID"}

instead it returned:

"{repo=oxp-mvn-a-rel-local, path=com/nagra/opentv/experience/mob, platform=ANDROID}"

Please be more specific than "isn't quite giving me what i want". Show the results you are getting, the results that you expect, and what you've tried to explain the difference. — BadZen
– BadZen, Commented Jan 31, 2020 at 17:28

daggett · Accepted Answer · 2020-01-31 17:39:27Z

1

just replace String to def in the following line:

String deviceAppParsed = slurper.deviceapp

by using string you are converting Object returned by slurper.deviceapp to string

should be:

def deviceAppParsed = slurper.deviceapp

in this case last line will print json

{"repo":"abc-mvn-a-test-local","path":"com/test/test2/test3/mob","platform":"ANDROID"}

answered Jan 31, 2020 at 17:39

daggett

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